OpenTechnical

OT-2026-000049890

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000049890) never changes.

Identity and time

Publication numberOT-2026-000049890 · never reused
Internal UUID01a0ae81-fd76-7e8f-824e-966a07fa61a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049890
StatusPUBLIC

Content hashes

Canonical text0bd05d9f2cb18024e70d30593aaed82df9970169c1c3c72bce44f1d80961e0a8
Markdown850e8e8d81987af705da82d215e17b74662a0f10e27e7d32b5fed7ad1f663e44
PDF
Publication page0b91067479839c417226c6dda5e9290790673e82f36c5863d4f2b2c32705cb25
Manifest6673aa95089e60d37c7929fa3bae6a292a45676fe1ea64e1f182260783e7cc73

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureK32asKKDzkHi/kcZm9GokyBgp/63EC8eSaC6jehJSWdRKL4g25Lvlkm5x6givSwNAihYhzjQgzr9HU95y7N3Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:48.420572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049890
observed 0b91067479839c417226c6dda5e92907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.401501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049890/manifest.json
observed 6673aa95089e60d37c7929fa3bae6a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.385674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049890/publication.md
observed 850e8e8d81987af705da82d215e17b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.366919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049890/publication.txt
observed 0bd05d9f2cb18024e70d30593aaed82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.